Direct And Inverse Proportions - MCQ - Class 8 MCQ

x – y = constant

x + y = constant

x × y = constant

x – y = constant

x + y = constant

xy = constant

1 – n

n – 1

none of these

n -1 days

1 – n days

n days

none of these.

directly

inversely

sometimes directly and sometimes inversely

none of these.

inverse variation

direct variation

direct and indirect both variations

none of the above.

time taken for a journey and distance covered with a uniform speed

population increased in a fixed area, then per person area is decreased

area of cultivated land and the crops harvested

cost of cloth and quantily of cloth purchased.

Number of sheets of some kind are incresed when their total weight its increased

More quentity of petrol is required to travel more distance with a fixed speed

More fees would be collected if number of students increased in a class

Time taken will be less if number of workers are increased to complete the same work.

If the length of radius is increased the circumference will be increased

If number of students is a hostel are increased then the fixed food provision will last forless days

For fixed duration, more the periods, lesser will be the duration of one period

In case of a cylindrical vessel, lesser the diameter more is the level of water in it.

10

40

15

20